Check out a used Rotel RB-1070(130 wpc) or RB-1080(200wpc) in the $400-675 range. While Rotel's preamps tend to be on the hard/sterile side of neutral, I found their amps to be very, very, good for the money. I owned the 980BX about 6-7 years ago and it was great with slightly warm speakers.
Also look into used Marsh A200 amp(200wpc).